Repository › Forums › Support › WooCommerce Extended Coupon Features PRO › add free product by coupon – without other products in the cart! › Reply To: add free product by coupon – without other products in the cart!
It is not possible to add a coupon to an empty cart; so that won’t work.
What you can do is create a coupon with 100% discount for the single product (limit discount to 1 item!) and apply the coupon using an url, like this: http://ec2-18-195-39-108.eu-central-1.compute.amazonaws.com/warenkorb/?add-to-cart=557&apply_coupon=free-elgato-hd-pro